Wimbledon fourth round action

The second week of Wimbledon kicks off. Monday marks "Manic Monday" and it lived up to its name as Serena Williams ended her winning streak and was defeated by Sabine Lisicki. What other surprises does Wimbledon have in store for us?

The Championships - Wimbledon 2013: Day Seven

LONDON, ENGLAND - JULY 01: Sabine Lisicki of Germany celebrates match point during her Ladies' Singles fourth round match against Serena Williams of United States of America on day seven of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 1, 2013 in London, England. (Photo by Mike Hewitt/Getty Images)

The Championships - Wimbledon 2013: Day Seven

LONDON, ENGLAND - JULY 01: Bob and Mike Bryan bump chests as they celebrate match point during their Gentlemen's Doubles third round match against Treat Huey of Philippines and Dominic Inglot of Great Britain on day seven of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 1, 2013 in London, England. (Photo by Julian Finney/Getty Images)

The Championships - Wimbledon 2013: Day Seven

LONDON, ENGLAND - JULY 01: David Ferrer of Spain celebrates victory during the Gentlemen's Singles fourth round match against Ivan Dodig of Croatia on day seven of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 1, 2013 in London, England. (Photo by Julian Finney/Getty Images)

The Championships - Wimbledon 2013: Day Seven

LONDON, ENGLAND - JULY 01: Kaia Kanepi of Estonia celebrates match point during her Ladies' Singles fourth round match against Laura Robson of Great Britain on day seven of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 1, 2013 in London, England. (Photo by Clive Brunskill/Getty Images)

The Championships - Wimbledon 2013: Day Seven

LONDON, ENGLAND - JULY 01: Jurgen Melzer of Austria reacts during the Gentlemen's Singles fourth round match against Jerzy Janowicz of Poland on day seven of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 1, 2013 in London, England. (Photo by Julian Finney/Getty Images)

The Championships - Wimbledon 2013: Day Seven

LONDON, ENGLAND - JULY 01: David Ferrer of Spain celebrates a point during the Gentlemen's Singles fourth round match against Ivan Dodig of Croatia on day seven of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 1, 2013 in London, England. (Photo by Julian Finney/Getty Images)

The Championships - Wimbledon 2013: Day Seven

LONDON, ENGLAND - JULY 01: Serena Williams of United States of America plays a forehand during her Ladies' Singles fourth round match against Sabine Lisicki of Germany on day seven of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 1, 2013 in London, England. (Photo by Mike Hewitt/Getty Images)

The Championships - Wimbledon 2013: Day Seven

LONDON, ENGLAND - JULY 01: A general view of the action on Court 10 backdropped by Centre Court during the Ladies' Doubles third round match between Darija Jurak of Croatia and Tamrine Tanasugarn of Thailand and Su-Wei Hsieh of Taipei and Shaui Peng of China on day seven of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 1, 2013 in London, England. (Photo by Julian Finney/Getty Images)

The Championships - Wimbledon 2013: Day Seven

LONDON, ENGLAND - JULY 01: Na Li of China celebrates a point during her Ladies' Singles fourth round match against Roberta Vinci of Italy on day seven of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 1, 2013 in London, England. (Photo by Dennis Grombkowski/Getty Images)

The Championships - Wimbledon 2013: Day Seven

LONDON, ENGLAND - JULY 01: Flavia Pennetta of Italy plays a backhand during her Ladies' Singles fourth round match against Kirsten Flipkens of Belgium on day seven of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 1, 2013 in London, England. (Photo by Dennis Grombkowski/Getty Images)

The Championships - Wimbledon 2013: Day Seven

LONDON, ENGLAND - JULY 01: A tennis fan wears a Union flag in her hair as she waits for play to start on day seven of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 1, 2013 in London, England. (Photo by Peter Macdiarmid/Getty Images)

The Championships - Wimbledon 2013: Day Seven

LONDON, ENGLAND - JULY 01: Tennis fan Chris Fava wears a blue sky body suit as he waits for the start of play on Centre Court on day seven of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 1, 2013 in London, England. (Photo by Peter Macdiarmid/Getty Images)

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